#import <Foundation/NSObject.h>
#import <CoreGraphics/CoreGraphics.h>

@class CIFilter;

@interface CIImage : NSObject {
   CGImageRef      _cgImage;
   CIFilter       *_filter;
}

+(CIImage *)emptyImage;

-initWithCGImage:(CGImageRef)cgImage;
-(CGRect)extent;

@end
